/*
 * OREKIT-X
 * Copyright 2002-2008 CS Communication & Systemes
 * 
 * Parts of this software package have been licensed to CS
 * Communication & Systemes (CS) under one or more contributor license
 * agreements.  See the NOTICE file distributed with this work for
 * additional information.
 *  
 * This is an experimental copy of OREKIT from www.orekit.org.
 * Please use the original OREKIT from orekit.org for normal work
 * unrelated to this research project.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you
 * may not use this file except in compliance with the License.  You
 * may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 * implied.  See the License for the specific language governing
 * permissions and limitations under the License.
 */
package ore.time.date;

/** 
 * Interface for dealing with months sequences according to
 * leap/common years.
 * 
 * @author Luc Maisonobe
 */
public interface MonthDayFactory {
    /** 
     * @param dayInYear day number within year
     * @return Month number for a given day number within year.
     */
    public int getMonth(int dayInYear);
    /** 
     * @param dayInYear Day number within year
     * @param month Month number
     * 
     * @return Day number for given month and day number within year.
     */
    public int getDay(int dayInYear, int month);
    /** 
     * @param month Month number
     * @param day Day number
     * @return Day number within year for given month and day numbers.
     */
    public int getDayInYear(int month, int day);
}
